GC - String object

[susan waters]

Why my String object created is NOT eligible for GC ?

    
class testing{
protected void finalize(){
System.out.println("Object GCd");
}
 
void nothing(){
String s2 = new String("Susan");
s1=null;
System.gc();
 
}
 
public static void main(String args[]){
 
testing t = new testing();
t.nothing();
 
}
}

Thanks for the reply

[wise owen]

    
class testing{
  protected void finalize(){System.out.println("Object GCd");} 
  void nothing(){String s2 = new String("Susan");s2=null;System.gc(); }
  public static void main(String args[]){ 
    testing t = new testing();
    t.nothing();
    t =null;
    System.gc();
 }
}

[Bert Bates]

When you're studying the GC for the exam, use any kind of object other than a String object - the String constant pool makes the interaction between Strings and the GC weird, and it's not on the exam. But for sure, non-String objects and the GC are on the exam big time!

[Rushikesh Wagh]

I Wondered How Hell this Code Gets Compiled
class testing{
protected void finalize(){
System.out.println("Object GCd");
}
void nothing(){
String s2 = new String("Susan");
s1=null;
System.gc();
}
public static void main(String args[]){
testing t = new testing();t.nothing();
}
}

What is s1???

[Pawanpreet Singh]

Hi Susan, try this code and you will get idea of any class other than String

class A{
protected void finalize()
{
System.out.println("Object A GCd");
}
}
public class testing{
protected void finalize()
{
System.out.println("Object GCd");
}
void nothing()
{
String s2 = new String("Susan");
s2=null;
System.gc();
}
void tryThisMethod()
{
A a1 = new A();
A a2=null;
a2=a1;
a1=null;
a2=null; // after this statement execution, the object of A is eligible for GC
System.gc();
}
public static void main(String args[]){
testing t = new testing();
t.nothing();
t.tryThisMethod();
}
}

[Ramamoorthy Periasamy]

Originally posted by Rushikesh Wagh:
I Wondered How Hell this Code Gets Compiled
class testing{
protected void finalize(){
System.out.println("Object GCd");
}
void nothing(){
String s2 = new String("Susan");
s1=null;
System.gc();
}
public static void main(String args[]){
testing t = new testing();t.nothing();
}
}

What is s1???

I guess that was the typo error. read it as s2 = null